AS215981 — X-Fibre X-Fibre Ltd

AS215981 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

X-FIBRE is operated by X-Fibre Ltd.

What it's used for

• The space carries residential fibre broadband traffic, evidenced by the netname UK-X-FIBRE-20250602 and the operator's classification as a Cable/DSL/ISP.
• The AS announces 512 IPv4 addresses across 2 prefixes and maintains 76 observed neighbours, a ratio indicating a transit-dependent access network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs for full-fibre broadband and voice services in the United Kingdom.

Notable

• Registrants do not fully agree with the announcer; 154.61.53.0/24 is registered to Cogent Communications, LLC, while 185.165.94.0/24 is registered to X-Fibre Ltd.
• The address inventory is small and subdivided into two /24 blocks, consistent with a regional fibre operator's internal estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 154.61.53.0/24
• 185.165.94.0/24

Upstream networks

• AS35266 EX Networks Limited
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS33891 Core-Backbone GmbH
• AS50304 Blix Solutions AS
• AS20562 Broadband Hosting B.V.
• AS4657 StarHub Ltd
• AS12779 IT.Gate S.p.A.
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS48185 team.blue NV
• AS3216 PJSC "Vimpelcom"
• AS37100 SEACOM Limited
• AS3741 Dimension Data
• AS6797 GlobalConnect AB
• AS37721 Virtual Technologies & Solutions
• AS29075 IELO-LIAZO SERVICES SAS
• AS7575 Australian Academic and Research Network (AARNet)

Adjacent networks

• AS35266 EX Networks Limited
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS50304 Blix Solutions AS
• AS33891 Core-Backbone GmbH
• AS29075 IELO-LIAZO SERVICES SAS
• AS20562 Broadband Hosting B.V.
• AS12779 IT.Gate S.p.A.
• AS48185 team.blue NV
• AS4657 StarHub Ltd
• AS17639 Converge ICT Solutions Inc.
• AS50300 CustodianDC Limited
• AS37100 SEACOM Limited
• AS6797 GlobalConnect AB
• AS24482 SG.GS
• AS3216 PJSC "Vimpelcom"
• AS3741 Dimension Data
• AS37721 Virtual Technologies & Solutions
• AS7575 Australian Academic and Research Network (AARNet)

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-EXN.

Internet exchanges

• LINX LON1 — London, United Kingdom